15Five is well suited for businesses/groups that are transparent, and willing to share information. If an organization was not a place where information is freely shared, it would not be helpful. Although, it could improve the level of transparency, as members of the organization could have space where they feel comfortable to share information. There are several different privacy settings within the each 15Five, so users can choose what they want to share.
Also, it's best to make sure you/your organization has the time to use 15Five. It can be time-consuming for users, but also for those reviewing employees 15Five. It can be a lot of information to sift through. However, the layout of the software is easy to engage with and digest, which is helpful!
Additionally, it's important to share with the team how 15Five works, and why it's being utilized. Depending on the questions that are set up within the software, it would seem a bit invasive to some. However, if a clear expectation is set prior to use 15Five, this may not be an issue.